Palani Threshold Days by Year

4 fixed thresholds counted per year at Palani (IN020080900): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palani Thresholds

Palani: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1944 with 40.
Palani: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1940 with 19.
Palani: days with 50 mm (1.97 in) or more of precipitation in 62 years, most in 1940 with 7.
Palani: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1902 with 1.
4 fixed thresholds have at least one qualifying day at Palani.

Days with 10 mm (0.39 in) or more of precipitation

70 years with a qualifying day

Days per year at Palani with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1944.

Days with 10 mm (0.39 in) or more of precipitation per year at Palani
Year	Days	Decade average
1901	21	18.3
1902	26	18.3
1903	20	18.3
1904	15	18.3
1905	15	18.3
1906	15	18.3
1907	15	18.3
1908	20	18.3
1909	18	18.3
1910	20	20.4
1911	17	20.4
1912	24	20.4
1913	17	20.4
1914	23	20.4
1915	30	20.4
1916	17	20.4
1917	19	20.4
1918	19	20.4
1919	18	20.4
1920	30	22.8
1921	25	22.8
1922	29	22.8
1923	16	22.8
1924	24	22.8
1925	28	22.8
1926	18	22.8
1927	19	22.8
1928	18	22.8
1929	21	22.8
1930	27	22.3
1931	27	22.3
1932	30	22.3
1933	23	22.3
1934	15	22.3
1935	18	22.3
1936	21	22.3
1937	20	22.3
1938	21	22.3
1939	21	22.3
1940	33	25.6
1941	30	25.6
1942	17	25.6
1943	28	25.6
1944	40	25.6
1945	13	25.6
1946	34	25.6
1947	19	25.6
1948	24	25.6
1949	18	25.6
1950	14	14.8
1951	16	14.8
1952	12	14.8
1953	21	14.8
1954	20	14.8
1955	20	14.8
1956	16	14.8
1957	16	14.8
1958	7	14.8
1959	6	14.8
1960	25	18.3
1961	6	18.3
1962	12	18.3
1963	24	18.3
1964	20	18.3
1965	22	18.3
1966	19	18.3
1967	16	18.3
1968	18	18.3
1969	21	18.3
1970	18	18

For each year, a bar from the first to the last day at Palani meeting 10 mm (0.39 in).

First to last qualifying date each year at Palani
Year	First date	Last date
1901	1901-04-19	1901-12-10
1902	1902-01-07	1902-12-06
1903	1903-04-05	1903-12-31
1904	1904-01-02	1904-10-28
1905	1905-04-22	1905-11-20
1906	1906-03-18	1906-12-10
1907	1907-05-09	1907-12-17
1908	1908-02-24	1908-11-01
1909	1909-01-01	1909-11-02
1910	1910-02-03	1910-11-17
1911	1911-04-29	1911-12-07
1912	1912-05-01	1912-12-19
1913	1913-05-05	1913-12-19
1914	1914-04-15	1914-12-06
1915	1915-03-02	1915-12-27
1916	1916-05-05	1916-11-29
1917	1917-02-03	1917-12-11
1918	1918-01-02	1918-12-04
1919	1919-03-17	1919-12-31
1920	1920-01-01	1920-11-25
1921	1921-01-13	1921-12-30
1922	1922-01-01	1922-12-02
1923	1923-01-12	1923-12-17
1924	1924-01-08	1924-11-28
1925	1925-01-13	1925-12-12
1926	1926-01-27	1926-12-08
1927	1927-04-09	1927-12-01
1928	1928-03-29	1928-12-28
1929	1929-04-04	1929-12-09
1930	1930-01-08	1930-12-01
1931	1931-04-27	1931-12-28
1932	1932-02-27	1932-11-29
1933	1933-04-27	1933-11-09
1934	1934-01-25	1934-12-06
1935	1935-04-03	1935-12-26
1936	1936-02-27	1936-12-19
1937	1937-04-12	1937-11-20
1938	1938-02-05	1938-11-05
1939	1939-01-11	1939-11-22
1940	1940-04-24	1940-12-12
1941	1941-01-07	1941-12-03
1942	1942-03-02	1942-12-18
1943	1943-01-03	1943-12-29
1944	1944-03-07	1944-12-23
1945	1945-04-02	1945-11-14
1946	1946-01-21	1946-12-27
1947	1947-01-05	1947-12-15
1948	1948-01-17	1948-12-21
1949	1949-04-08	1949-11-22
1950	1950-05-04	1950-12-14
1951	1951-04-11	1951-11-28
1952	1952-02-20	1952-12-11
1953	1953-02-23	1953-11-15
1954	1954-01-04	1954-12-15
1955	1955-01-09	1955-12-07
1956	1956-04-25	1956-11-27
1957	1957-04-24	1957-12-30
1958	1958-01-03	1958-05-13
1959	1959-06-17	1959-09-25
1960	1960-03-01	1960-12-05
1961	1961-01-11	1961-07-03
1962	1962-05-13	1962-10-23
1963	1963-01-07	1963-12-21
1964	1964-04-30	1964-12-23
1965	1965-03-26	1965-12-07
1966	1966-01-23	1966-12-20
1967	1967-04-21	1967-12-09
1968	1968-04-05	1968-12-20
1969	1969-05-03	1969-12-18
1970	1970-04-25	1970-12-28

Every Fixed Threshold

Fixed thresholds at Palani
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	70	40	1944	18
25 mm (0.98 in): Days with 25 mm or more rain	70	19	1940	9
50 mm (1.97 in): Days with 50 mm or more rain	62	7	1940	1
100 mm (3.94 in): Days with 100 mm or more rain	13	1	1902	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Palani threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Palani Threshold Days by Year

Key Facts for Palani Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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